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Finding the Fourth Proportional to 240,904.80, 332,728.56 and 226,908

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Solution

The fourth proportional to 240,904.80, 332,728.56 and 226,908 is: 313,396.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,904.80 : 332,728.56 = 226,908 : x
  2. Step 2: Convert to fraction form
    240,904.80/332,728.56 = 226,908/x
  3. Step 3: Cross multiply
    240,904.80x = 332,728.56 × 226,908
  4. Step 4: Simplify right side
    240,904.80x = 75,498,772,092.48
  5. Step 5: Solve for x
    x = 75,498,772,092.48/240,904.80
  6. Step 6: Final answer
    x = 313,396.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.